How to Reheat Potatoes Au Gratin

Written by kay dean
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How to Reheat Potatoes Au Gratin
You can freeze and reheat potatoes au gratin to enjoy them later. (boiled potatoes image by AGphotographer from

No matter how carefully a meal is planned, sometimes there are leftovers. Although often the butt of food jokes, if prepared and reheated properly, leftovers are a blessing to busy cooks. In fact, many time-conscious cooks prepare special dishes, such as potatoes au gratin, with the intention of freezing and reheating them later. Potatoes au gratin, rich with cream and cheese, can turn a simple main dish into a special meal and aren't hard to reheat properly.

Skill level:

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Things you need

  • Milk (optional)
  • Shredded cheese (optional)
  • Aluminium foil
  • Measuring cup
  • Food thermometer

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  1. 1

    Remove the frozen potatoes au gratin from the freezer. Leave moisture-resistant paper or foil on the top of the pan. Place the container in the refrigerator to partially thaw.

  2. 2

    Remove the moisture-resistant paper from the top of the pan. If the potatoes look dry, pour a small amount of milk on top; depending upon the amount of potatoes, this can range from 1/4 to 1/2 cup.

  3. 3

    Sprinkle shredded cheese on top of the potatoes. You can use the same variety used in the original recipe or another variety to add a different taste.

  4. 4

    Cover the pan with aluminium foil and place in a preheated 400-degree oven. Bake until the internal temperature of the potatoes au gratin reaches 73.9 degrees C.

Tips and warnings

  • Potatoes au gratin can be frozen for up to two weeks.
  • Do not refreeze potatoes au gratin after they have been frozen and reheated once.

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